Tool accessory hub



FIG. 1 is a perspective view of the tool accessory hub;

FIG. 2 is a top plan view of the tool accessory hub of FIG. 1, the bottom plan view being identical thereto;

FIG. 3 is an end view of the tool accessory hub of FIG. 1; and,

FIG. 4 is a side elevational view of the tool accessory hub of FIG. 1, the opposite side elevational view being identical thereto.

The broken-line disclosure of elements is understood to represent portions of the article in which the design is embodied, but which form no part of the claimed design. 

CLAIM The ornamental design for a tool accessory hub, as shown and described. 